Security code to program new renault megane 2 key?

i have a renault megane 2, 2003 model. The key stopped working and i have bought a new one. I had some one to program it but its requires a security code to be entered. its a 12 didgit code. the chassis number is VF1LM0J0A30142756, The engine number is K4MW761R003063. Its a 1.6, 16v, 2003 model. can someone assist please.