Starting from $m = n - 1$ and decreasing to $m = 1$ we define functions $b_m : \GF(p) \to \{0, 1 \}$ inductively as follows.\r
\begin{equation}\r
\label{equation:getbit}\r
Starting from $m = n - 1$ and decreasing to $m = 1$ we define functions $b_m : \GF(p) \to \{0, 1 \}$ inductively as follows.\r
\begin{equation}\r
\label{equation:getbit}\r