Immortal template (CR+1) PF version is in Faces of the Tarnished Souk by Rite Publishing. There is also an Eternal template (CR+1) that might be what you are looking for. Unfortunatley, the pdf is not on d20pfsrd.com
Another version of the Immortal template (CR+1/+2) was put up by Clinton Boomer
http://thatboomerkid.tumblr.com/post/158299175051/albert-kenkaid-old-ghost- with-the-silver-tongue {sorry,but my link making fails me}