@inproceedings{JJ01,
  author    = "Markus Jakobsson and Ari Juels",
  title     = "Addition of ElGamal Plaintexts",
  pages     = "346--358",
  booktitle = "Proceedings of Asiacrypt 2000",
  note      = "LNCS 1976",
  publisher = "Springer-Verlag",
  year      = 2000
}