controlling arduino uno r3 over wifi using esp 12e module

i have searched a lot but i cant find resources on how i proceed on this.plz help

http://fab.cba.mit.edu/classes/863.14/tutorials/Programming/serialwifi.html

might need to change the baud rate of the esp: http://www.esp8266.com/viewtopic.php?f=6&t=1997

Good luck