How to get Cernos Prime Blueprint in Warframe?

Cernos Prime Blueprint is an item dropped from Void relics.
You can find the list of relics below, and click on the links to see how to get them.

Relics dropping Cernos Prime Blueprint

Other items:
Cernos Prime Lower Limb - Cernos Prime Upper Limb - Cernos Prime Grip
Cernos Prime String