Cryptology ePrint Archive: BibTeX Citation of Report 2009/115

@misc{cryptoeprint:2009:115,
    author = {S.Sree Vivek and S.Sharmila Deva Selvi, Deepanshu Shukla and C.Pandu Rangan},
    title = {Scalable Compilers for Group Key Establishment : Two/Three  Party to Group},
    howpublished = {Cryptology ePrint Archive, Report 2009/115},
    year = {2009},
    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.