Cryptology ePrint Archive: BibTeX Citation of Report 2012/246

@misc{cryptoeprint:2012:246,
    author = {Maggie Habeeb and Delaram Kahrobaei and Vladimir Shpilrain},
    title = {A Secret Sharing Scheme Based on Group Presentations and the Word Problem},
    howpublished = {Cryptology ePrint Archive, Report 2012/246},
    year = {2012},
    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.