Need help root ASUS Zenfone 5 A500KL with Android v5.0 Lolipop.

To whom it may concern:
Good Morning. I have search on Google and been trying to find the proper way to root my ASUS ZenFone 5 A500KL that has Android v5.0 Lolipop installed, but so far I can't get it done. So if anyone knows how to do it properly, I am opening to suggestions! And thanks in advance.:D

Sincerely

P.S: Sorry if I posted in the wrong section.