%% You should probably cite rfc6453 instead of this I-D.
@techreport{dijkstra-urn-ogf-06,
    number =    {draft-dijkstra-urn-ogf-06},
    type =      {Internet-Draft},
    institution =   {Internet Engineering Task Force},
    publisher = {Internet Engineering Task Force},
    note =      {Work in Progress},
    url =       {https://datatracker.ietf.org/doc/draft-dijkstra-urn-ogf/06/},
    author =    {Richard Hughes-Jones and Freek Dijkstra},
    title =     {{A URN Namespace for the Open Grid Forum (OGF)}},
    pagetotal = 9,
    year =      2011,
    month =     jul,
    day =       24,
    abstract =  {This document describes a URN (Uniform Resource Name) namespace that is engineered by the Open Grid Forum (OGF) for naming persistent resources. This document is not an Internet Standards Track specification; it is published for informational purposes.},
}