Cryptology ePrint Archive: BibTeX Citation of Report 2015/242

@misc{cryptoeprint:2015:242,
    author = {Benoit Libert and Thomas Peters and Marc Joye and Moti Yung},
    title = {Compactly Hiding Linear Spans: Tightly Secure Constant-Size Simulation-Sound QA-NIZK Proofs and Applications},
    howpublished = {Cryptology ePrint Archive, Report 2015/242},
    year = {2015},
    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.