@inproceedings{CFS05,
    author     = {Ronald Cramer and Serge Fehr and Martijn Stam},
    title      = {Black-Box Secret Sharing from Primitive Sets in Algebraic Number Fields},
    booktitle  = {Advances in Cryptology - CRYPTO '05},
    series     = {Lecture Notes in Computer Science},
    volume     = 3621,
    pages      = {344--360},
    year       = 2005,
    publisher  = {Springer-Verlag}
}