@phdthesis{17789,
  author = {I-Te Chen},
  title = {Studies on Proxy Signatures with/without Proactive Property},
  year = {2005},
  journal = {Department of Computer Science, College of Computer Science },
  volume = {Doctor of Philosophy in Computer Science},
  month = {December 2005},
  publisher = {National Chiao Tung University},
  address = {HsinChu, Taiwan, Republic of China},
}