@Misc{Riv04a,
  author = 	 { Ronald L. Rivest },
  title = 	 { Remarks on Electronic Voting },
  howpublished = { Talk given at the Harvard Kennedy School of Government Digital Voting Symposium, June 1, 2004. },
  date =         { 2004-06-01 },                  
  OPTyear = 	 { 2004 },
  OPTmonth = 	 { June 1, },
}