Got WPA2 working
1. Create file /etc/wpa_supplicant/wpa_supplicant.conf with the following information
1.1. If you have problems with connecting try to comment out the line "group=TKIP"
2. execute following command
sudo wpa_supplicant -i eth0 -D wext -c /etc/wpa_supplicant/wpa_supplicant.conf
3. Get IP address after successful connect