@conference{EURECOM+1069,
  author = {Pannetrat, Alain and Molva, Refik},
  title = {Multiple layer encryption for multicast groups},
  booktitle = {CMS 2002, Communication and Multimedia Security Conference, September 26-27, 2002, Portoroz, Slovenia / Also published in the book : Advanced Communications and Multimedia Security /Borka Jerman-Blazic \& Tomaz Klobucar, editors, Kluwer Academic Publishers, ISBN 1-4020-7206-6, August 2002},
  year = {2002},
  editor = {Springer},
  address = {Portoroz},
  note = {©  Springer. Personal use of this material is permitted. The definitive version of this paper was published in CMS 2002, Communication and Multimedia Security Conference, September 26-27, 2002, Portoroz, Slovenia / Also published in the book : Advanced Communications and Multimedia Security /Borka Jerman-Blazic \& Tomaz Klobucar, editors, Kluwer Academic Publishers, ISBN 1-4020-7206-6, August 2002 and is available at :},
}