Reference for “XML Security Use Cases and Requirements”

@TechReport{Hirsch:09:XSU,
  author      = "Frederick Hirsch and Thomas Roessler",
  title       = "{XML} Security Use Cases and Requirements",
  month       = feb,
  note        = "http://www.w3.org/TR/2009/WD-xmlsec-reqs-20090226/",
  year        = "2009",
  bibsource   = "http://w2.syronex.com/jmr/w3c-biblio",
  type        = "{W3C} Working Draft",
  institution = "W3C",
}