Cryptology ePrint Archive: BibTeX Citation of Report 2014/033

@misc{cryptoeprint:2014:033,
    author = {Adeline Langlois and San Ling and Khoa Nguyen and Huaxiong Wang},
    title = {Lattice-based Group Signature Scheme with Verifier-local Revocation},
    howpublished = {Cryptology ePrint Archive, Report 2014/033},
    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.