%% You should probably cite draft-ietf-mpls-pm-udp-return instead of this I-D.
@techreport{bryant-mpls-oam-udp-return-00,
    number =    {draft-bryant-mpls-oam-udp-return-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-bryant-mpls-oam-udp-return/00/},
    author =    {Stewart Bryant and Siva Sivabalan and Sagar Soni},
    title =     {{MPLS Performance Measurement UDP Return Path}},
    pagetotal = 7,
    year =      2014,
    month =     apr,
    day =       7,
    abstract =  {This document specifies an extension to the protocol for making performance measurements of MPLS LSPs that is defined in RFC6374. It specifies the procedure used for sending and processing MPLS performance management out-of-band responses for delay and loss measurements over an IP/UDP return path.},
}