%% You should probably cite rfc4619 instead of this I-D.
@techreport{ietf-pwe3-frame-relay-07,
    number =    {draft-ietf-pwe3-frame-relay-07},
    type =      {Internet-Draft},
    institution =   {Internet Engineering Task Force},
    publisher = {Internet Engineering Task Force},
    note =      {Work in Progress},
    url =       {https://datatracker.ietf.org/doc/draft-ietf-pwe3-frame-relay/07/},
    author =    {Andrew G. Malis and Claude Kawa and Luca Martini},
    title =     {{Encapsulation Methods for Transport of Frame Relay over Multiprotocol Label Switching (MPLS) Networks}},
    pagetotal = 19,
    year =      2006,
    month =     mar,
    day =       2,
    abstract =  {A frame relay pseudowire is a mechanism that exists between a provider's edge network nodes and that supports as faithfully as possible frame relay services over an MPLS packet switched network (PSN). This document describes the detailed encapsulation necessary to transport frame relay packets over an MPLS network. {[}STANDARDS-TRACK{]}},
}