diff --git a/macros.tex b/macros.tex
index aa86f58..88a348f 100644
--- a/macros.tex
+++ b/macros.tex
@@ -59,3 +59,6 @@
 \newcommand{\Gh}{\xspace\ensuremath{\widehat{\mathbb{G}}}\xspace}
 \newcommand{\GT}{\xspace\ensuremath{\mathbb{G}_T}\xspace}
 \newcommand{\atob}[2]{\xspace\ensuremath{\{#1,\ldots,\#2\}}}
+
+% Other
+\newcommand{\TODO}{\textbf{\textcolor{red}{TODO}}}