%% You should probably cite draft-ietf-spring-sr-oam-requirement instead of this I-D.
@techreport{kumar-spring-sr-oam-requirement-00,
    number =    {draft-kumar-spring-sr-oam-requirement-00},
    type =      {Internet-Draft},
    institution =   {Internet Engineering Task Force},
    publisher = {Internet Engineering Task Force},
    note =      {Work in Progress},
    url =       {https://datatracker.ietf.org/doc/draft-kumar-spring-sr-oam-requirement/00/},
    author =    {Nagendra Kumar Nainar and Carlos Pignataro and Nobo Akiya and Ruediger Geib and Greg Mirsky},
    title =     {{OAM Requirements for Segment Routing Network}},
    pagetotal = 6,
    year =      2014,
    month =     feb,
    day =       14,
    abstract =  {This document describes a list of functional requirement for OAM in Segment Routing (SR) based network.},
}