@InProceedings{RS96a,
  author = 	 { Ronald L. Rivest and Adi Shamir },
  title = 	 { {PayWord and MicroMint}--Two Simple Micropayment Schemes },
  pages = 	 { 69--87 },
  doi =          { 10.1007/3-540-62494-5_6 },                  
  booktitle =    { Proceedings of the 1996 International Workshop on Security Protocols },
  publisher =    { Springer },
  editor = 	 { Mark Lomas },
  date =         { 1996-04 },                  
  OPTyear = 	 { 1996 },
  OPTmonth = 	 { April 10--12, },
  series = 	 { Lecture Notes in Computer Science },
  volume = 	 { 1189 },
  eventtitle =   { SPW'96 },
  eventdate =    { 1996-04-10/1996-04-12 },
  venue =        { Cambridge, United Kingdom },
  abstract =     {
        We present two simple micropayment schemes, ``PayWord'' and ``MicroMint,''
        for making small purchases over the Internet.                  
                 },
}