LaTeX-Decode
The module LaTeX::Decode does (obviously) the opposite of LaTeX::Encode: 
It converts LaTeX input to Unicode :)
It also comes with a companion utility script, latex2utf8.
INSTALLATION
To install this module, run the following commands:
        perl Build.PL
        ./Build
        ./Build test
        ./Build install
DEPENDENCIES
  Unicode::Normalize (in core perl) 
SUPPORT AND DOCUMENTATION
After installing, you can find documentation for this module with the
perldoc command.
    perldoc LaTeX::Decode
You can also look for information at:
    RT, CPAN's request tracker
        http://rt.cpan.org/NoAuth/Bugs.html?Dist=LaTeX-Decode
    AnnoCPAN, Annotated CPAN documentation
        http://annocpan.org/dist/LaTeX-Decode
    CPAN Ratings
        http://cpanratings.perl.org/d/LaTeX-Decode
    Search CPAN
        http://search.cpan.org/dist/LaTeX-Decode/
LICENSE AND COPYRIGHT
Copyright (C) 2010 François Charette
This program is free software; you can redistribute it and/or modify it
under the terms of either: the GNU General Public License as published
by the Free Software Foundation; or the Artistic License.
See http://dev.perl.org/licenses/ for more information.