@misc{cryptoeprint:2009:268,
    author = {Mehrdad Nojoumian and Douglas R. Stinson},
    title = {Dealer-Free Threshold Changeability in Secret Sharing Schemes},
    howpublished = {Cryptology ePrint Archive, Report 2009/268},
    year = {2009},
    url = {http://eprint.iacr.org/2009/268},
}