1. Download wifi tether v3 1-beta 11 app ( the wifi tether app comes with some roms)
2. open the app and go to settings
3. go to Device-profile and select Google NexusOne
4. stay in settings and go to Routing fix and enable it!
5. set up your SSID and Passphrase and you should be good to go!!!
This might work for sense 3.6 as well. let me know!