<?php
$catid = get_query_var('cat');
$args = array(
'posts_per_page' => -1,
'category__in' => $catid,
'paged' => get_query_var('paged')
);
query_posts( $args );

if (have_posts()) : ?>
<ul>
<?php while(have_posts()) : the_post(); ?>

<li>
<a href="<?php the_permalink() ?>" rel="bookmark" title="Permanent Link to <?php the_title_attribute(); ?>"><?php the_title(); ?></a>
</li>

<?php endwhile; endif; wp_reset_query(); ?>
</ul>