Second Book of Paralipomenon (Author Compiled by Isaias and Esdras from records of Nathan, Gad, Addo, Ahias, Jehu and others.)
36:22anno autem primo Cyri regis Persarum ad explendum sermonem Domini quem locutus fuerat per os Hieremiae suscitavit Dominus spiritum Cyri regis Persarum qui iussit praedicari in universo regno suo etiam per scripturam dicens
Original from The Bible Foundation - bf.org. They claim public domain status for their original text.