@misc{cryptoeprint:2009:207,
    author = {Mehrdad Nojoumian and Douglas R. Stinson and Morgan Grainger},
    title = {An Unconditionally Secure Social Secret Sharing Scheme},
    howpublished = {Cryptology ePrint Archive, Report 2009/207},
    year = {2009},
    url = {http://eprint.iacr.org/2009/207},
}