\documentclass{standalone}
\usepackage[usenames,dvipsnames]{xcolor}
\usepackage{tikz}
\begin{document}
\begin{tikzpicture}
\draw[fill=white,draw=black](0,0)circle(2cm)node{};
\draw[fill=white,draw=black](0,2)circle(.5cm)node[]{ $i$};
\draw[fill=white,draw=black](-1.73,-1)circle(.5cm)node[]{ $k$};
\draw[fill=white,draw=black](1.73,-1)circle(.5cm)node[]{ $j$};
\draw [->] (1.73,1,0) -- (1.73,1,0);
\draw [->] (-1.73,1,0) -- (-1.73,1,0);
\draw [->] (0,-2,0) -- (0,-2,0);
\end{tikzpicture}
\end{document}