Cryptology ePrint Archive: BibTeX Citation of Report 2010/075

@misc{cryptoeprint:2010:075,
    author = {Mehdi Vasef},
    title = {A New Scheme for Zero Knowledge Proof based on Multivariate Quadratic Problem and Quaternion Algebra},
    howpublished = {Cryptology ePrint Archive, Report 2010/075},
    year = {2010},
    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.