Reference for “XMLHttpRequest Level 2”

@TechReport{Kesteren:09:XL,
  author      = "Anne van Kesteren",
  title       = "{XMLHttpRequest} Level 2",
  month       = aug,
  note        = "http://www.w3.org/TR/2009/WD-XMLHttpRequest2-20090820/",
  year        = "2009",
  bibsource   = "http://w2.syronex.com/jmr/w3c-biblio",
  type        = "{W3C} Working Draft",
  institution = "W3C",
}