I followed the steps from here - http://lifehacker.com/5873407/how-to-crack-a-wi+fi-networks-wpa-password-with-reaver

I tried the extra -a switch as well but no luck, stil the same

Hiya
I am using backtrack 5r3 Gnome 32 booting from CD on my Asus laptop

I have followed the instructions and when I do the final command
root@bt:~# reaver -i mon0 -b 64:68:0C:59:2C:9A -vv
...