ENCODING has been replaced by BIBTEX_INPUT_ENCODING and OUTPUT_ENCODING
@article{CKS14, Author = {A. Chailloux and I. Kerenidis and J. Sikora}, Date-Added = {2014-08-11 09:29:00 +0000}, Date-Modified = {2014-08-11 09:29:47 +0000}, Journal = {Physical Review A}, Number = {022334}, Title = {Strong connections between quantum encodings, nonlocality, and cryptography}, Volume = {89}, Year = {2014}}