%% You should probably cite draft-ietf-mpls-lsp-ping-reply-mode-simple instead of this I-D.
@techreport{akiya-mpls-lsp-ping-reply-mode-simple-00,
    number =    {draft-akiya-mpls-lsp-ping-reply-mode-simple-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-akiya-mpls-lsp-ping-reply-mode-simple/00/},
    author =    {Nobo Akiya and George Swallow and Carlos Pignataro and Loa Andersson and Mach Chen},
    title =     {{Label Switched Path (LSP) Ping/Trace Reply Mode Simplification}},
    pagetotal = 8,
    year =      2013,
    month =     sep,
    day =       19,
    abstract =  {This document adds two reply modes to be used by Multiprotocol Label Switching (MPLS) Label Switched Path (LSP) Ping and Traceroute: one reply mode to indicate reverse LSP and one reply mode to allow responder to choose reply mode from pre-defined set. This document also adds an optional TLV which can carry ordered list of reply modes. This document updates {[}RFC4379{]}.},
}