@Misc{RM02,
  author = 	 { Ronald L. Rivest and Silvio Micali },
  title = 	 { Peppercorn Micropayments via better ``Lottery Tickets'' },
  howpublished = { Talk given at the ``rump session'' of Financial Cryptography 2002. },
  date =         { 2002 },                  
  OPTyear = 	 { 2002 },
  OPTmonth = 	 {},
}