@techreport{aiyer08matrixtr,
  author="Amitanand S. Aiyer and Lorenzo Alvisi, Rida A. Bazzi and
      Allen Clement",
  title="Matrix Signatures: From MACs to Digital Signatures",
  number="TR-08-09",
  month="Feb",
  year="2008",
  institution="University of Texas at Austin, Department of Computer Sciences",
  url="http://www.cs.utexas.edu/ftp/pub/techreports/"
}