@inproceedings{CTT100754646,
  author = {KEISUKE TANAKA and Harunaga Hiwatari and Tomoyuki Asano and Koichi Sakumoto},
  title = {Multi-recipient Public-Key Encryption from Simulators in Security Proofs},
  booktitle = {},
  year = 2009,
}

@inproceedings{CTT100575593,
  author = {田中圭介 and 作本紘一},
  title = {鍵交換可能署名},
  booktitle = {2008年 暗号と情報セキュリティシンポジウム},
  year = 2008,
}