Template

\RequirePackage{filecontents}
\begin{filecontents*}{\jobname.bib}
@Book{theory,
  author    = {Author},
  title     = {Book title},
  edition   = {3},
  publisher = {Publisher},
  year       = {2012}
}
\end{filecontents*}

\title{Regular Languages}
\author{
        Name \\
                Department of\\
        University \\
}
\date{\today}

\documentclass[12pt]{article}

\usepackage{mathtools}
\usepackage{graphicx}
\usepackage{framed}
\usepackage{titlesec}
\usepackage[numbers]{natbib}

\titleformat*{\section}{\large\bfseries}

\begin{document}
\maketitle
\begin{abstract}
This is the paper's abstract \ldots
\end{abstract}
\newpage
\tableofcontents
\newpage


\section{Introduction}
This is time for all good men to come to the aid of their party!

\paragraph{Outline}
The remainder of this article is organized as follows.
Section~\ref{previous work} gives account of previous work.
Our new and exciting results are described in Section~\ref{results}.
Finally, Section~\ref{conclusions} gives the conclusions.

\section{Previous work}\label{previous work}
A much longer \LaTeXe{} example was written by Gil~\cite{Gil:02}.

\section{Results}\label{results}
In this section we describe the results.

\section{Conclusions}\label{conclusions}
We worked hard, and achieved very little.\cite{theory}

\newpage
\bibliographystyle{plainnat}
\bibliography{\jobname}
\end{document}