Cryptology ePrint Archive: BibTeX Citation of Report 2011/398

@misc{cryptoeprint:2011:398,
    author = {Nelly Fazio and Kevin Iga and Antonio Nicolosi and Ludovic Perret and William E. Skeith III},
    title = {Hardness of Learning Problems over Burnside Groups of Exponent 3},
    howpublished = {Cryptology ePrint Archive, Report 2011/398},
    year = {2011},
    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.