what are you going to do? Cracking your AP? WEP or WPA?
if you have searched through the forum you would find many tutorials about your next steps.
Here is a link where a several tutorials are listed:
But as a small notice:
You must dump the traffic of your wlan, reinject packets in the WLAN, maybe deauthenticate a station and crack the the key with your dump. Thats the four main steps your gonna to do.
Good luck, but remember, only crack your own WLAN - all other is not legal!