@misc{cryptoeprint:2009:052,
    author = {S. Sharmila Deva Selvi and S. Sree Vivek and C. Pandu Rangan},
    title = {Cryptanalysis of Ring Signature and Ring Signcryption Schemes},
    howpublished = {Cryptology ePrint Archive, Report 2009/052},
    year = {2009},
    url = {http://eprint.iacr.org/2009/052},
}