Within LaTeX

To enable cyrillic within LaTeX add the lines

\usepackage[OT2,OT1]{fontenc}
\newcommand\cyr{%
\renewcommand\rmdefault{wncyr}%
\renewcommand\sfdefault{wncyss}%
\renewcommand\encodingdefault{OT2}%
\normalfont
\selectfont}
\DeclareTextFontCommand{\textcyr}{\cyr}

to the preamble in your LaTeX document. Then the command \textcyr will produce cyrillic text, e.g. \textcyr{a}.