uname -r
3.8.0-35-generic

sudo modprobe rtl8192cu

lsusb
Bus 001 Device 002: ID 8087:0024 Intel Corp. Integrated Rate Matching Hub
Bus 002 Device 002: ID 8087:0024 Intel Corp. Integrated Rate Matching Hub
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 001 Device 004: ID 2357:0100
Bus 002 Device 003: ID 058f:6364 Alcor Micro Corp. AU6477 Card Reader Controller
Bus 002 Device 004: ID 07d1:3c0d D-Link System DWA-125 Wireless N 150 Adapter(rev.A1) [Ralink RT3070]
Bus 002 Device 005: ID 0458:012b KYE Systems Corp. (Mouse Systems)

sudo dkms status
8192cu, 1.8, 3.8.0-35-generic, x86_64: installed
ndiswrapper, 1.58, 3.8.0-35-generic, x86_64: installed

➜  ~  sudo dkms status
8192cu, 1.8, 3.11.0-15-generic, x86_64: installed
8192cu, 1.8, 3.8.0-35-generic, x86_64: installed
ndiswrapper, 1.58: added
➜  ~  uname -r
3.11.0-15-generic
➜  ~  sudo modprobe rtl8192cu

sudo apt-get install linux-firmware linux-image-extra-3.8.0-35-generic linux-image-extra-3.11.0-15-generic