How to make custom recovery & root Asus Zenfone 2 laser ZE550KL Z00LD

Hello,
It s long time asus released zenfone 2 laser ze550kl model number aus_z00ld

specifications are :

Platform Android 5.0 (Lollipop)
CPU Qualcomm® Snapdragon™ 410
Memory 2GB LPDDR3 RAM
Storage 16GB eMMC Flash
Memory Slot MicroSD card (up to 128 GB)
Connectivity Technology WLAN 802.11 b/g/n
USB Bluetooth V4.0
Dual Micro SIM card

Detail specification may be found here
http://www.asus.com/in/Phone/ZenFone...pecifications/

Firmware & Kernel source are available online
http://www.asus.com/in/Phone/ZenFone...Desk_Download/

Anybody may help us to make custom recovery for this phone & guide us how to root this phone.

Thanking you :)