Cryptology ePrint Archive: BibTeX Citation of Report 2014/889

@misc{cryptoeprint:2014:889,
    author = {Fabrice Benhamouda and Stephan Krenn and Vadim Lyubashevsky and Krzysztof Pietrzak},
    title = {Efficient Zero-Knowledge Proofs for Commitments from Learning With Errors over Rings},
    howpublished = {Cryptology ePrint Archive, Report 2014/889},
    year = {2014},
    note = {\url{http://eprint.iacr.org/}},
}

You will need the url.sty package (comes with most LaTeX installations) for the last line. Otherwise, remove the \url command.