@inproceedings{IACR:conf/crypto2004/ChengC04,
  author    = { Qi Cheng
               },
  title     = {On the Bounded Sum-of-Digits Discrete Logarithm Problem in Finite Fields},
  booktitle = {CRYPTO},
  year      = {2004},
  pages     = {201-212},
  ee        = {http://www.iacr.org/archive/crypto2004/31520200/lw.pdf},
  crossref  = {IACR:conf/crypto2004},
  bibsource = {IACR, http://www.iacr.org}
}

@proceedings{IACR:conf/crypto2004,
  editor    = {Matthew K. Franklin},
  title     = {Advances in Cryptology - CRYPTO 2004, 24th Annual International
Cryptology Conference, Santa Barbara, California, USA, August 15-19,
2004, Proceedings.
               },
  booktitle = {CRYPTO},
  publisher = {Springer},
  series    = {Lecture Notes in Computer Science},
  volume    = {3152},
  year      = {2004},
  isbn      = {3-540-22668-0},
  bibsource = {IACR, http://www.iacr.org}
}