03:00.0 Network controller: Realtek Semiconductor Co., Ltd. Device 8172 (rev 10)
...but the driver you want is the RTL8192E driver from Realtek's download site. make and make install it the normal way, and stick r8192se_pci into your /etc/modules.
I had a problem with WEP and WPA2 encryption; I could connect fine but after 15 minutes or so, the connection would drop and there would be no way to reconnect. I find that WPA works fine.