For what do you need this? University or some other alike networks? It's possible for me to use besides openvpn a WPA2 Enterprise connection with TTLS and certificates... maybe it's possible for you too. Then try "Wifi Helper Pro/lite"!
Device: Samsung Galaxy S3 (Int.)
ROM : Stock (rooted)
HTC Desire (B8181 AMOLED S-OFF CM9)
Apple iPhone 3G white (2 Months with crap)
HTC Magic 32B white (and still lovin' it!)
HTC Trinity - VPA compact GPS
Nokia 7610, 7650, 6210 and other Nokias before...